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Preventive Maintenance Procedures
P/N 508138 Rev. J
3.17 BLOOD LEAK AND DIMNESS
Verify that the blood leak level is between 4.5 and 5.2 volts and the blood dimness
level is within 5.0 ±1.0 volts as follows:
1. Switch to the debug screens by pressing and holding the [] and [
▬
] data
entry keys at the same time for approximately 1 sec. The main display will
change indicating that the machine is in debug mode.
2. Use the [] or [
▬
] data entry keys to go to debug screen #4.
3. Locate the LEAK value on the display screen. This value must be between
4.5V and 5.2V.
4. Locate the DIMN value on the display screen. This value must be between
4.0V and 6.0V.
Note: If these values are outside the limits given, perform a bleach rinse to
clean the glass detector tube inside the machine before considering other
repairs.
5. Record the measured value on the Annual/4000 Hour Preventive
Maintenance Checklist.
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